Vulnerability · NVD
CVE-2026-58058
CVE-2026-58058 : medium severity (CVSS 6.5). No tracked catalog app is linked to this CVE.
- Severity (CVSS)
- 6.5
- Exploitation
- 1.4 %
- Tracked apps
- 0
- Still exposed
- 0
NVD scale
EPSS, predicted over 30 days
Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured packet in ipv6_get_data_primitive (libnetutil/netutil.cc), so the pointer advances past the buffer and the remaining-length computation underflows to a large value. A scanned target or on-path attacker returning a crafted IPv6 response with a truncated extension header can trigger out-of-bounds reads and a crash during raw IPv6 scans.
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS
1.37%
above median
percentile 69.9%